313012212102121 has 8 divisors (see below), whose sum is σ = 357752070421184. Its totient is φ = 268278310787760.

The previous prime is 313012212102089. The next prime is 313012212102167. The reversal of 313012212102121 is 121201212210313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313012212102121 - 2⁵ = 313012212102089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313012212102092 and 313012212102101.

It is not an unprimeable number, because it can be changed into a prime (313012212102521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1489138575 + ... + 1489348756.

It is an arithmetic number, because the mean of its divisors is an integer number (44719008802648).

Almost surely, 2^{313012212102121} is an apocalyptic number.

It is an amenable number.

313012212102121 is a deficient number, since it is larger than the sum of its proper divisors (44739858319063).

313012212102121 is a wasteful number, since it uses less digits than its factorization.

313012212102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978502351.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 313012212102121 its reverse (121201212210313), we get a palindrome (434213424312434).

The spelling of 313012212102121 in words is "three hundred thirteen trillion, twelve billion, two hundred twelve million, one hundred two thousand, one hundred twenty-one".